When to go · Mission Viejo
Mission Viejo in September
Great month. Inside Mission Viejo's best window: Mar–May, Sep–Nov.
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 15°C (59°F)59°F (15°C)
- average high / low
- Rain days
- 1
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Mission Viejo's best window: Mar–May, Sep–Nov.
Is another month better than September?
No other month rates higher than September for Mission Viejo in this guide.
Weather in September
- Mission ViejoHighs around 27 °C (81 °F), lows around 15 °C (59 °F), rain on about 1 dayHighs around 81 °F (27 °C), lows around 59 °F (15 °C), rain on about 1 day
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Labor Day big impact
1st Monday of September · United States
End of summer; last big road-trip weekend.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.
Compare two months
Weather, crowds and prices for any two months in Mission Viejo, side by side.
Verdict
Sep: Great
Mar: Great
Daytime high
Sep: 27 °C (81 °F)81 °F (27 °C)
Mar: 21 °C (70 °F)70 °F (21 °C)
Night low
Sep: 15 °C (59 °F)59 °F (15 °C)
Mar: 8 °C (46 °F)46 °F (8 °C)
Rain days
Sep: 1 (better)
Mar: 5
Crowds
Sep: Medium
Mar: Medium
Prices
Sep: Medium
Mar: Medium
Festivals listed
Sep: 1
Mar: 2
September: Inside Mission Viejo's best window: Mar–May, Sep–Nov.
March: Inside Mission Viejo's best window: Mar–May, Sep–Nov.
Mission Viejo: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.